Home / 109,730.94-151,430.04-64,409.82

Finding the Fourth Proportional to 109,730.94, 151,430.04 and 64,409.82

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Solution

The fourth proportional to 109,730.94, 151,430.04 and 64,409.82 is: 88,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,730.94 : 151,430.04 = 64,409.82 : x
  2. Step 2: Convert to fraction form
    109,730.94/151,430.04 = 64,409.82/x
  3. Step 3: Cross multiply
    109,730.94x = 151,430.04 × 64,409.82
  4. Step 4: Simplify right side
    109,730.94x = 9,753,581,618.99
  5. Step 5: Solve for x
    x = 9,753,581,618.99/109,730.94
  6. Step 6: Final answer
    x = 88,886.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.